All cases of antrochoanal polyps (ACPs) were recorded over a 3.5-year period. We faced 48 cases, 8 of which presented atypically as bilateral nasal polypi (5 cases), simultaneously occurring bilateral ACPs (2 cases; the first presenting also as bilateral nasal polypi), 2 ACPs occurring together on one side (1 case, presenting also as bilateral nasal polypi) and recurrent unilateral epistaxis ... Read more